189801560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{365003}}^1$

素因数の和:365027

約数の個数: 32

約数和(自身を含む): 459905040

約数和(自身を除く): 270103480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 365003, 730006, 1460012, 1825015, 2920024, 3650030, 4745039, 7300060, 9490078, 14600120, 18980156, 23725195, 37960312, 47450390, 94900780, 189801560]

約数ペア:

[(1, 189801560), (2, 94900780), (4, 47450390), (5, 37960312), (8, 23725195), (10, 18980156), (13, 14600120), (20, 9490078), (26, 7300060), (40, 4745039), (52, 3650030), (65, 2920024), (104, 1825015), (130, 1460012), (260, 730006), (520, 365003)]